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Finding the Fourth Proportional to 227,672.52, 314,215.63 and 129,579.61

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Solution

The fourth proportional to 227,672.52, 314,215.63 and 129,579.61 is: 178,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,672.52 : 314,215.63 = 129,579.61 : x
  2. Step 2: Convert to fraction form
    227,672.52/314,215.63 = 129,579.61/x
  3. Step 3: Cross multiply
    227,672.52x = 314,215.63 × 129,579.61
  4. Step 4: Simplify right side
    227,672.52x = 40,715,938,074.59
  5. Step 5: Solve for x
    x = 40,715,938,074.59/227,672.52
  6. Step 6: Final answer
    x = 178,835.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.